Aerial pan over Riachuelo, showing historical Transporter Bridge, Buenos Aires

nicolas avellaneda transporter bridge ferry bridge steel structure la boca buenos aires argentina engineering construction truss puente transbordador de la boca design riachuelo transportation transport old port district national historic monument matanza river puente transbordador architecture historical industrial functionality equipment innovation industry historic crossing south america waterway infrastructure tourist destination unique perspective travel cityscape urban tourism downtown destination skyline landmark commercial riverside vintage city traffic buildings river bank water reflection